Index: /FCKeditor/trunk/_whatsnew.html
===================================================================
--- /FCKeditor/trunk/_whatsnew.html	(revision 1688)
+++ /FCKeditor/trunk/_whatsnew.html	(revision 1689)
@@ -59,4 +59,6 @@
 		<li>[<a target="_blank" href="http://dev.fckeditor.net/ticket/1934">#1934</a>] Fixed
 			JavaScript errors when calling Selection.EnsureSelection() in dialogs.</li>
+		<li>[<a target="_blank" href="http://dev.fckeditor.net/ticket/1920">#1920</a>] Fixed SSL
+			warning message when opening image and flash dialogs under HTTPS in IE6.</li>
 	</ul>
 	<h3>
Index: /FCKeditor/trunk/editor/dialog/fck_flash.html
===================================================================
--- /FCKeditor/trunk/editor/dialog/fck_flash.html	(revision 1688)
+++ /FCKeditor/trunk/editor/dialog/fck_flash.html	(revision 1689)
@@ -97,5 +97,7 @@
 				<br />
 				<input id="btnUpload" type="submit" value="Send it to the Server" fckLang="DlgLnkBtnUpload" />
-				<iframe name="UploadWindow" style="DISPLAY: none" src="javascript:void(0)"></iframe>
+				<script type="text/javascript">
+					document.write( '<iframe name="UploadWindow" style="DISPLAY: none" src="' + FCKTools.GetVoidUrl() + '"></iframe>' ) ;
+				</script>
 			</form>
 		</div>
Index: /FCKeditor/trunk/editor/dialog/fck_image.html
===================================================================
--- /FCKeditor/trunk/editor/dialog/fck_image.html	(revision 1688)
+++ /FCKeditor/trunk/editor/dialog/fck_image.html	(revision 1689)
@@ -165,5 +165,7 @@
 			<br />
 			<input id="btnUpload" type="submit" value="Send it to the Server" fcklang="DlgLnkBtnUpload" />
-			<iframe name="UploadWindow" style="display: none" src="javascript:void(0)"></iframe>
+			<script type="text/javascript">
+				document.write( '<iframe name="UploadWindow" style="display: none" src="' + FCKTools.GetVoidUrl() + '"></iframe>' ) ;
+			</script>
 		</form>
 	</div>
Index: /FCKeditor/trunk/editor/dialog/fck_image/fck_image_preview.html
===================================================================
--- /FCKeditor/trunk/editor/dialog/fck_image/fck_image_preview.html	(revision 1688)
+++ /FCKeditor/trunk/editor/dialog/fck_image/fck_image_preview.html	(revision 1689)
@@ -54,5 +54,5 @@
 	<div>
 		<a id="lnkPreview" onclick="return false;" style="cursor: default">
-			<img id="imgPreview" src="javascript:void(0)" onload="window.parent.UpdateOriginal();"
+			<img id="imgPreview" onload="window.parent.UpdateOriginal();"
 				style="display: none" alt="" /></a>Lorem ipsum dolor sit amet, consectetuer adipiscing
 		elit. Maecenas feugiat consequat diam. Maecenas metus. Vivamus diam purus, cursus